java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 08:24:15,574 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 08:24:15,577 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 08:24:15,591 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 08:24:15,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 08:24:15,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 08:24:15,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 08:24:15,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 08:24:15,599 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 08:24:15,607 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 08:24:15,608 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 08:24:15,608 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 08:24:15,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 08:24:15,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 08:24:15,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 08:24:15,617 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 08:24:15,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 08:24:15,621 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 08:24:15,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 08:24:15,630 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 08:24:15,633 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 08:24:15,635 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 08:24:15,638 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 08:24:15,641 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 08:24:15,642 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 08:24:15,643 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 08:24:15,644 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 08:24:15,646 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 08:24:15,650 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 08:24:15,653 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 08:24:15,653 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 08:24:15,654 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 08:24:15,655 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 08:24:15,655 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 08:24:15,656 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 08:24:15,657 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 08:24:15,657 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 08:24:15,684 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 08:24:15,684 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 08:24:15,685 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 08:24:15,685 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 08:24:15,685 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 08:24:15,685 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 08:24:15,686 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 08:24:15,686 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 08:24:15,686 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 08:24:15,686 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 08:24:15,686 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 08:24:15,687 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 08:24:15,687 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 08:24:15,687 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 08:24:15,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 08:24:15,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 08:24:15,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 08:24:15,688 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 08:24:15,688 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 08:24:15,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 08:24:15,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 08:24:15,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 08:24:15,689 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 08:24:15,690 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 08:24:15,690 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 08:24:15,690 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 08:24:15,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:24:15,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 08:24:15,691 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 08:24:15,691 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 08:24:15,691 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 08:24:15,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 08:24:15,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 08:24:15,692 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 08:24:15,692 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 08:24:15,692 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 08:24:15,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 08:24:15,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 08:24:15,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 08:24:15,761 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 08:24:15,762 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 08:24:15,763 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label27_true-unreach-call.c [2018-11-07 08:24:15,826 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153514230/6f760dc13b944251bd6ec686a83e8311/FLAGc5653f7bc [2018-11-07 08:24:16,362 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 08:24:16,363 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label27_true-unreach-call.c [2018-11-07 08:24:16,382 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153514230/6f760dc13b944251bd6ec686a83e8311/FLAGc5653f7bc [2018-11-07 08:24:16,403 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/153514230/6f760dc13b944251bd6ec686a83e8311 [2018-11-07 08:24:16,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 08:24:16,418 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 08:24:16,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 08:24:16,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 08:24:16,423 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 08:24:16,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:24:16" (1/1) ... [2018-11-07 08:24:16,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da72689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:16, skipping insertion in model container [2018-11-07 08:24:16,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:24:16" (1/1) ... [2018-11-07 08:24:16,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 08:24:16,520 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 08:24:17,009 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:24:17,015 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 08:24:17,121 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:24:17,144 INFO L193 MainTranslator]: Completed translation [2018-11-07 08:24:17,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17 WrapperNode [2018-11-07 08:24:17,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 08:24:17,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 08:24:17,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 08:24:17,146 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 08:24:17,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... [2018-11-07 08:24:17,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... [2018-11-07 08:24:17,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 08:24:17,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 08:24:17,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 08:24:17,280 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 08:24:17,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... [2018-11-07 08:24:17,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... [2018-11-07 08:24:17,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... [2018-11-07 08:24:17,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... [2018-11-07 08:24:17,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... [2018-11-07 08:24:17,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... [2018-11-07 08:24:17,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... [2018-11-07 08:24:17,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 08:24:17,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 08:24:17,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 08:24:17,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 08:24:17,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:24:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 08:24:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 08:24:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 08:24:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 08:24:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 08:24:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 08:24:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 08:24:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 08:24:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 08:24:20,876 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 08:24:20,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:24:20 BoogieIcfgContainer [2018-11-07 08:24:20,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 08:24:20,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 08:24:20,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 08:24:20,886 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 08:24:20,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:24:16" (1/3) ... [2018-11-07 08:24:20,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf96276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:24:20, skipping insertion in model container [2018-11-07 08:24:20,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:17" (2/3) ... [2018-11-07 08:24:20,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf96276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:24:20, skipping insertion in model container [2018-11-07 08:24:20,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:24:20" (3/3) ... [2018-11-07 08:24:20,892 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label27_true-unreach-call.c [2018-11-07 08:24:20,903 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 08:24:20,914 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 08:24:20,933 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 08:24:20,980 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 08:24:20,980 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 08:24:20,980 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 08:24:20,980 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 08:24:20,981 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 08:24:20,981 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 08:24:20,981 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 08:24:20,981 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 08:24:21,025 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 08:24:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-07 08:24:21,040 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:21,042 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:21,046 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:21,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:21,055 INFO L82 PathProgramCache]: Analyzing trace with hash 51771233, now seen corresponding path program 1 times [2018-11-07 08:24:21,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:21,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:21,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:21,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:21,118 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:24:21,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:24:21,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 08:24:21,609 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:21,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 08:24:21,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 08:24:21,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:24:21,638 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-11-07 08:24:24,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:24:24,126 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-11-07 08:24:24,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 08:24:24,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-11-07 08:24:24,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:24:24,149 INFO L225 Difference]: With dead ends: 737 [2018-11-07 08:24:24,150 INFO L226 Difference]: Without dead ends: 515 [2018-11-07 08:24:24,158 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:24:24,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-11-07 08:24:24,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 356. [2018-11-07 08:24:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 08:24:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 613 transitions. [2018-11-07 08:24:24,256 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 613 transitions. Word has length 67 [2018-11-07 08:24:24,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:24:24,257 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 613 transitions. [2018-11-07 08:24:24,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 08:24:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 613 transitions. [2018-11-07 08:24:24,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-07 08:24:24,273 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:24:24,273 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:24:24,274 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:24:24,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:24,274 INFO L82 PathProgramCache]: Analyzing trace with hash -316431117, now seen corresponding path program 1 times [2018-11-07 08:24:24,274 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:24:24,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:24,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:24:24,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:24:24,277 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:24:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:24:24,688 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:24:24,848 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 08:24:24,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:24:24,849 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:24:24,851 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-07 08:24:24,853 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:24:24,900 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:24:24,901 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:24:25,723 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 08:24:25,724 INFO L272 AbstractInterpreter]: Visited 78 different actions 221 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 08:24:25,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:24:25,770 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 08:24:26,218 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 76.6% of their original sizes. [2018-11-07 08:24:26,218 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 08:24:26,781 INFO L415 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-11-07 08:24:26,781 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 08:24:26,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:24:26,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-11-07 08:24:26,782 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:24:26,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 08:24:26,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 08:24:26,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 08:24:26,785 INFO L87 Difference]: Start difference. First operand 356 states and 613 transitions. Second operand 10 states. [2018-11-07 08:25:14,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:25:14,586 INFO L93 Difference]: Finished difference Result 1536 states and 2799 transitions. [2018-11-07 08:25:14,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-07 08:25:14,586 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 138 [2018-11-07 08:25:14,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:25:14,595 INFO L225 Difference]: With dead ends: 1536 [2018-11-07 08:25:14,595 INFO L226 Difference]: Without dead ends: 1186 [2018-11-07 08:25:14,600 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-07 08:25:14,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2018-11-07 08:25:14,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1165. [2018-11-07 08:25:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1165 states. [2018-11-07 08:25:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1590 transitions. [2018-11-07 08:25:14,664 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1590 transitions. Word has length 138 [2018-11-07 08:25:14,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:25:14,665 INFO L480 AbstractCegarLoop]: Abstraction has 1165 states and 1590 transitions. [2018-11-07 08:25:14,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 08:25:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1590 transitions. [2018-11-07 08:25:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-07 08:25:14,674 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:25:14,674 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:25:14,674 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:25:14,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:14,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1449875099, now seen corresponding path program 1 times [2018-11-07 08:25:14,675 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:25:14,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:14,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:14,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:14,677 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:25:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 121 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-07 08:25:15,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:25:15,042 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:25:15,043 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-11-07 08:25:15,043 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [542], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:25:15,050 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:25:15,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:25:15,237 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:25:15,238 INFO L272 AbstractInterpreter]: Visited 91 different actions 265 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:25:15,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:15,244 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:25:15,245 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:25:15,245 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:25:15,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:15,257 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:25:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:15,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:25:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:25:15,732 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:25:15,983 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 08:25:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:25:16,515 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:25:16,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-11-07 08:25:16,516 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:25:16,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 08:25:16,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 08:25:16,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-11-07 08:25:16,518 INFO L87 Difference]: Start difference. First operand 1165 states and 1590 transitions. Second operand 11 states. [2018-11-07 08:25:22,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:25:22,491 INFO L93 Difference]: Finished difference Result 3653 states and 5586 transitions. [2018-11-07 08:25:22,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-07 08:25:22,491 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 229 [2018-11-07 08:25:22,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:25:22,504 INFO L225 Difference]: With dead ends: 3653 [2018-11-07 08:25:22,504 INFO L226 Difference]: Without dead ends: 2292 [2018-11-07 08:25:22,514 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 462 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2018-11-07 08:25:22,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2018-11-07 08:25:22,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 2292. [2018-11-07 08:25:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2292 states. [2018-11-07 08:25:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 2759 transitions. [2018-11-07 08:25:22,610 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 2759 transitions. Word has length 229 [2018-11-07 08:25:22,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:25:22,610 INFO L480 AbstractCegarLoop]: Abstraction has 2292 states and 2759 transitions. [2018-11-07 08:25:22,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 08:25:22,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2759 transitions. [2018-11-07 08:25:22,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-07 08:25:22,619 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:25:22,619 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:25:22,620 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:25:22,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:22,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1403858525, now seen corresponding path program 1 times [2018-11-07 08:25:22,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:25:22,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:22,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:22,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:22,622 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:25:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:23,010 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:25:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 61 proven. 137 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 08:25:23,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:25:23,741 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:25:23,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-11-07 08:25:23,742 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:25:23,747 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:25:23,747 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:25:24,180 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:25:24,180 INFO L272 AbstractInterpreter]: Visited 125 different actions 368 times. Merged at 7 different actions 17 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:25:24,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:24,218 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:25:24,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:25:24,219 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:25:24,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:24,236 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:25:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:24,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:25:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-07 08:25:24,525 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:25:24,953 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-07 08:25:24,988 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:25:24,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 9 [2018-11-07 08:25:24,989 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:25:24,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:25:24,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:25:24,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:25:24,991 INFO L87 Difference]: Start difference. First operand 2292 states and 2759 transitions. Second operand 3 states. [2018-11-07 08:25:26,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:25:26,062 INFO L93 Difference]: Finished difference Result 5310 states and 6455 transitions. [2018-11-07 08:25:26,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:25:26,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 265 [2018-11-07 08:25:26,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:25:26,088 INFO L225 Difference]: With dead ends: 5310 [2018-11-07 08:25:26,088 INFO L226 Difference]: Without dead ends: 2875 [2018-11-07 08:25:26,097 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 530 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:25:26,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2875 states. [2018-11-07 08:25:26,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2875 to 2727. [2018-11-07 08:25:26,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2727 states. [2018-11-07 08:25:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2727 states and 3214 transitions. [2018-11-07 08:25:26,182 INFO L78 Accepts]: Start accepts. Automaton has 2727 states and 3214 transitions. Word has length 265 [2018-11-07 08:25:26,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:25:26,182 INFO L480 AbstractCegarLoop]: Abstraction has 2727 states and 3214 transitions. [2018-11-07 08:25:26,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:25:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 3214 transitions. [2018-11-07 08:25:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-07 08:25:26,190 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:25:26,190 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:25:26,191 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:25:26,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:26,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1743147136, now seen corresponding path program 1 times [2018-11-07 08:25:26,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:25:26,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:26,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:26,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:26,193 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:25:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 160 proven. 58 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 08:25:26,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:25:26,618 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:25:26,618 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 287 with the following transitions: [2018-11-07 08:25:26,621 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [626], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:25:26,629 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:25:26,629 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:25:26,908 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:25:26,909 INFO L272 AbstractInterpreter]: Visited 125 different actions 368 times. Merged at 7 different actions 17 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-07 08:25:26,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:26,947 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:25:26,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:25:26,947 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:25:26,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:26,960 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:25:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:27,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:25:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-07 08:25:27,225 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:25:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-07 08:25:27,620 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 08:25:27,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2018-11-07 08:25:27,621 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:25:27,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:25:27,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:25:27,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:25:27,623 INFO L87 Difference]: Start difference. First operand 2727 states and 3214 transitions. Second operand 3 states. [2018-11-07 08:25:28,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:25:28,349 INFO L93 Difference]: Finished difference Result 5880 states and 7015 transitions. [2018-11-07 08:25:28,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:25:28,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2018-11-07 08:25:28,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:25:28,367 INFO L225 Difference]: With dead ends: 5880 [2018-11-07 08:25:28,367 INFO L226 Difference]: Without dead ends: 3012 [2018-11-07 08:25:28,377 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 572 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:25:28,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2018-11-07 08:25:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2864. [2018-11-07 08:25:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2864 states. [2018-11-07 08:25:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 3351 transitions. [2018-11-07 08:25:28,473 INFO L78 Accepts]: Start accepts. Automaton has 2864 states and 3351 transitions. Word has length 286 [2018-11-07 08:25:28,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:25:28,476 INFO L480 AbstractCegarLoop]: Abstraction has 2864 states and 3351 transitions. [2018-11-07 08:25:28,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:25:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 3351 transitions. [2018-11-07 08:25:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-07 08:25:28,485 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:25:28,485 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:25:28,486 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:25:28,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:28,486 INFO L82 PathProgramCache]: Analyzing trace with hash -959408988, now seen corresponding path program 1 times [2018-11-07 08:25:28,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:25:28,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:28,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:28,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:28,487 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:25:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-07 08:25:28,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:25:28,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 08:25:28,786 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:25:28,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 08:25:28,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 08:25:28,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:25:28,787 INFO L87 Difference]: Start difference. First operand 2864 states and 3351 transitions. Second operand 4 states. [2018-11-07 08:25:29,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:25:29,466 INFO L93 Difference]: Finished difference Result 3011 states and 3505 transitions. [2018-11-07 08:25:29,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 08:25:29,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 320 [2018-11-07 08:25:29,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:25:29,468 INFO L225 Difference]: With dead ends: 3011 [2018-11-07 08:25:29,468 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 08:25:29,473 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 08:25:29,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 08:25:29,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 08:25:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 08:25:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 08:25:29,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 320 [2018-11-07 08:25:29,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:25:29,475 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 08:25:29,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 08:25:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 08:25:29,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 08:25:29,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 08:25:29,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:25:29,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 08:25:30,756 WARN L179 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 135 DAG size of output: 72 [2018-11-07 08:25:30,876 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-11-07 08:25:30,987 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-11-07 08:25:30,992 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:25:30,992 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a19~0)| ~a19~0) [2018-11-07 08:25:30,992 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:25:30,992 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 08:25:30,992 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,992 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,992 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,992 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 08:25:30,993 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 08:25:30,994 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 08:25:30,994 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 08:25:30,994 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,994 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,994 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,994 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,994 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,994 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 08:25:30,994 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 08:25:30,995 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 08:25:30,995 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 08:25:30,995 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 08:25:30,995 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 08:25:30,995 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 08:25:30,995 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 08:25:30,995 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 08:25:30,995 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 08:25:30,996 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 08:25:30,996 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 08:25:30,996 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 08:25:30,996 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 08:25:30,997 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,997 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,997 INFO L425 ceAbstractionStarter]: For program point L108(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,997 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,997 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,997 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 08:25:30,997 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 08:25:30,997 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 08:25:30,998 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 08:25:30,998 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 08:25:30,998 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 08:25:30,998 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 08:25:30,998 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 08:25:30,999 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 08:25:30,999 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 08:25:30,999 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,999 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,999 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,999 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,999 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:30,999 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 08:25:31,000 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 08:25:31,000 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 08:25:31,000 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 08:25:31,000 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 08:25:31,000 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 08:25:31,000 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 08:25:31,000 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 08:25:31,000 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 08:25:31,009 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 08:25:31,009 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 08:25:31,009 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 08:25:31,009 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 08:25:31,010 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,010 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,010 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,010 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,010 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,010 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 08:25:31,010 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 08:25:31,010 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 08:25:31,011 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 08:25:31,011 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 08:25:31,011 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2018-11-07 08:25:31,011 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 08:25:31,011 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 08:25:31,011 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 08:25:31,011 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 08:25:31,011 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,012 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,012 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,012 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,012 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,012 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,012 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,013 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 08:25:31,013 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 08:25:31,013 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 08:25:31,013 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 08:25:31,013 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 08:25:31,013 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 08:25:31,013 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 08:25:31,013 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 08:25:31,013 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 08:25:31,014 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 08:25:31,014 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 08:25:31,014 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 08:25:31,014 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 08:25:31,014 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,014 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,014 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,014 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,014 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,015 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 08:25:31,015 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,015 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 08:25:31,015 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 08:25:31,015 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 08:25:31,017 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 08:25:31,017 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 08:25:31,017 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 08:25:31,017 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 08:25:31,017 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 08:25:31,017 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 08:25:31,018 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 08:25:31,018 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 08:25:31,018 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 08:25:31,018 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 08:25:31,018 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,018 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,018 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,019 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,019 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,019 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,019 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 08:25:31,019 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 08:25:31,019 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 08:25:31,019 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 08:25:31,019 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 08:25:31,020 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 08:25:31,020 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 08:25:31,020 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 08:25:31,020 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 08:25:31,020 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 08:25:31,020 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 08:25:31,023 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= 9 |old(~a19~0)|))) (let ((.cse1 (<= (+ |old(~a1~0)| 13) 0)) (.cse2 (< 0 (+ ~a1~0 13))) (.cse0 (< 1 |old(~a10~0)|)) (.cse4 (= |old(~a19~0)| ~a19~0)) (.cse9 (< 8 |old(~a19~0)|)) (.cse5 (not (= 14 ~a4~0))) (.cse6 (not (= 0 ~a12~0))) (.cse3 (not .cse8)) (.cse7 (= |calculate_output_#in~input| 0))) (and (or (<= ~a10~0 1) .cse0) (or .cse1 .cse2 .cse3) (or .cse4 .cse0) (or (= (mod ~a10~0 2) 0) .cse5 .cse6 (not (= 0 (mod |old(~a10~0)| 2))) .cse3 .cse7) (or (<= ~a10~0 0) (or .cse8 (< 0 |old(~a10~0)|))) (or .cse1 .cse9 (and .cse4 .cse2)) (or .cse1 .cse2 .cse0) (or .cse4 .cse3) (or .cse4 (= 7 |old(~a19~0)|) .cse9) (or (or (= ~a10~0 2) (and (= ~a10~0 0) (= ~a1~0 23))) (and (or .cse5 .cse6 (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) (or .cse5 .cse6 (not (= 2 |old(~a10~0)|)))) .cse3 .cse7)))) [2018-11-07 08:25:31,023 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 08:25:31,023 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 08:25:31,023 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 08:25:31,023 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,023 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,023 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,023 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,023 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,024 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,024 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 08:25:31,024 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 08:25:31,024 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 08:25:31,024 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 08:25:31,024 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 08:25:31,024 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 08:25:31,024 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 08:25:31,024 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 08:25:31,025 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 08:25:31,025 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 08:25:31,025 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 08:25:31,025 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 08:25:31,025 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 08:25:31,025 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,025 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,025 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,025 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 08:25:31,026 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 08:25:31,027 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 08:25:31,027 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 08:25:31,027 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 08:25:31,027 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 08:25:31,027 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,027 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,027 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,027 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 08:25:31,028 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 08:25:31,029 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 08:25:31,032 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 08:25:31,032 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 08:25:31,032 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 08:25:31,032 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:25:31,032 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-07 08:25:31,034 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 08:25:31,034 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:25:31,034 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 9) (= ~a10~0 0) (= ~a1~0 23))) [2018-11-07 08:25:31,034 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:25:31,034 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (not (= 7 ~a19~0)) .cse0) (and (< 0 (+ ~a1~0 13)) .cse0) (= |old(~a19~0)| ~a19~0) (<= ~a10~0 1) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)))) [2018-11-07 08:25:31,034 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 08:25:31,034 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 08:25:31,035 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 08:25:31,035 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8))) (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (not (= 7 ~a19~0)) .cse0) (and (< 0 (+ ~a1~0 13)) .cse0) (= |old(~a19~0)| ~a19~0) (<= ~a10~0 1) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)))) [2018-11-07 08:25:31,035 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:25:31,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:25:31 BoogieIcfgContainer [2018-11-07 08:25:31,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 08:25:31,060 INFO L168 Benchmark]: Toolchain (without parser) took 74643.53 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -806.0 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 08:25:31,062 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 08:25:31,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:31,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -823.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:31,066 INFO L168 Benchmark]: Boogie Preprocessor took 89.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:31,067 INFO L168 Benchmark]: RCFGBuilder took 3507.57 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:31,068 INFO L168 Benchmark]: TraceAbstraction took 70178.04 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -143.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 08:25:31,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 133.85 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -823.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3507.57 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 70178.04 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.2 GB in the end (delta: -143.6 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((!(14 == a4) || !(23 == \old(a1))) || (!(7 == a19) && a19 <= 8)) || (0 < a1 + 13 && a19 <= 8)) || \old(a19) == a19) || a10 <= 1) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 70.0s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 58.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 600 SDtfs, 3339 SDslu, 957 SDs, 0 SdLazy, 6812 SolverSat, 1530 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1767 GetRequests, 1700 SyntacticMatches, 10 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2864occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 4 AbstIntIterations, 1 AbstIntStrong, 0.9964636208969669 AbsIntWeakeningRatio, 0.145985401459854 AbsIntAvgWeakeningVarsNumRemoved, 14.335766423357665 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 476 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 125 NumberOfFragments, 316 HoareAnnotationTreeSize, 73 FomulaSimplifications, 1378 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1937 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 2085 NumberOfCodeBlocks, 2085 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2853 ConstructedInterpolants, 0 QuantifiedInterpolants, 1606974 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1305 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 1910/2171 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...